diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/BukkitNetworkManager.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/BukkitNetworkManager.java
index 5935a4330..f4e3a6e22 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/BukkitNetworkManager.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/BukkitNetworkManager.java
@@ -91,8 +91,8 @@ public class BukkitNetworkManager implements NetworkManager, Listener, PluginMes
     @SuppressWarnings("unchecked")
     public BukkitNetworkManager(BukkitCraftEngine plugin) {
         instance = this;
-        S2C_BYTE_BUFFER_PACKET_HANDLERS = new BiConsumer[PacketIdFinder.maxS2CPacketId() + 1];
-        C2S_BYTE_BUFFER_PACKET_HANDLERS = new BiConsumer[PacketIdFinder.maxC2SPacketId() + 1];
+        S2C_BYTE_BUFFER_PACKET_HANDLERS = new BiConsumer[PacketIdFinder.maxS2CPacketId()];
+        C2S_BYTE_BUFFER_PACKET_HANDLERS = new BiConsumer[PacketIdFinder.maxC2SPacketId()];
         Arrays.fill(S2C_BYTE_BUFFER_PACKET_HANDLERS, Handlers.DO_NOTHING);
         Arrays.fill(C2S_BYTE_BUFFER_PACKET_HANDLERS, Handlers.DO_NOTHING);
         hasModelEngine = Bukkit.getPluginManager().getPlugin("ModelEngine") != null;
diff --git a/gradle.properties b/gradle.properties
index 7f2609357..d38f0bd12 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -50,7 +50,7 @@ byte_buddy_version=1.17.5
 ahocorasick_version=0.6.3
 snake_yaml_version=2.4
 anti_grief_version=0.17
-nms_helper_version=0.66.3
+nms_helper_version=0.66.4
 evalex_version=3.5.0
 reactive_streams_version=1.0.4
 amazon_awssdk_version=2.31.23